将我的 .NET Core SDK 更新到最新版本 (3.1.405)，现在没有任何效果。每当我尝试dotnet run任何项目时，都会出现以下错误：
C:\Program Files\dotnet\sdk\3.1.405\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.targets(194,5): error MSB4018: The "GenerateDepsFile" task failed unexpectedly. [C:\Users\<UserName>\Desktop\Test\Test.csproj]
C:\Program Files\dotnet\sdk\3.1.405\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.targets(194,5): error MSB4018: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.DotNet.PlatformAbstractions, Version=2.1.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. The system cannot find the file specified. [C:\Users\<UserName>\Desktop\Test\Test.csproj]
C:\Program Files\dotnet\sdk\3.1.405\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.targets(194,5): error MSB4018: File name: 'Microsoft.DotNet.PlatformAbstractions, Version=2.1.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' [C:\Users\<UserName>\Desktop\Test\Test.csproj]
C:\Program Files\dotnet\sdk\3.1.405\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.targets(194,5): error MSB4018: at Microsoft.NET.Build.Tasks.FrameworkReferenceResolver.GetDefaultReferenceAssembliesPath() [C:\Users\<UserName>\Desktop\Test\Test.csproj]
C:\Program Files\dotnet\sdk\3.1.405\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.targets(194,5): error MSB4018: at Microsoft.NET.Build.Tasks.GenerateDepsFile.WriteDepsFile(String depsFilePath) [C:\Users\<UserName>\Desktop\Test\Test.csproj]
C:\Program Files\dotnet\sdk\3.1.405\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.targets(194,5): error MSB4018: at Microsoft.NET.Build.Tasks.GenerateDepsFile.ExecuteCore() [C:\Users\<UserName>\Desktop\Test\Test.csproj]
C:\Program Files\dotnet\sdk\3.1.405\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.targets(194,5): error MSB4018: at …